Question 4

The cost of the three components A, B and C of an electronic machine worth ₹12,000 in 2020 is given as a Pie-chart as shown below :

In the following year, the cost of these three components A, B, and C increased by 10%, 20%, and 10% respectively. The cost of the three components A, B, and C respectively in 2021, was

Solution

In 2020:

Cost of component A = $$\frac{90}{360}\times12000=3000$$

Cost of component B = $$\frac{120}{360}\times12000=4000$$

Cost of component C = $$\frac{150}{360}\times12000=5000$$

In 2021:

Cost of component A = 1.1*3000 = Rs 3300

Cost of component B = 1.2*4000 = Rs 4800

Cost of component C = 1.1*5000 = Rs 5500

The answer is option B.

Video Solution

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